130521310504 has 32 divisors (see below), whose sum is σ = 264334772520. Its totient is φ = 60061833216.

The previous prime is 130521310489. The next prime is 130521310511. The reversal of 130521310504 is 405013125031.

It is a happy number.

130521310504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 114494256900 + 16027053604 = 338370^2 + 126598^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826989 + ... + 1897084.

Almost surely, 2^130521310504 is an apocalyptic number.

It is an amenable number.

130521310504 is an abundant number, since it is smaller than the sum of its proper divisors (133813462016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130521310504 is a wasteful number, since it uses less digits than its factorization.

130521310504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724429 (or 3724425 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 130521310504 its reverse (405013125031), we get a palindrome (535534435535).

The spelling of 130521310504 in words is "one hundred thirty billion, five hundred twenty-one million, three hundred ten thousand, five hundred four".